pith. sign in
Pith Number

pith:I5M5VZEO

pith:2017:I5M5VZEOFUAPJJTOA3ATOYX37U
not attested not anchored not stored refs pending

Long-Lasting Extreme Magnetic Storm Activities in 1770 Found in Historical Documents

Akito Davis Kawamura, Delores J. Knipp, Harufumi Tamazawa, Hiroaki Isobe, Hisashi Hayakawa, Ichiro Nakanishi, Kazunari Shibata, Kentaro Hattori, Kiyomi Iwahashi, Kumiko Mase, Yusuke Ebihara

arxiv:1711.00690 v1 · 2017-11-02 · astro-ph.SR · physics.hist-ph · physics.space-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I5M5VZEOFUAPJJTOA3ATOYX37U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T00:28:12.862181Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4759dae48e2d00f4a66e06c13762fbfd1e361f8dd77dbfe78fff0a13455a5962

Aliases

arxiv: 1711.00690 · arxiv_version: 1711.00690v1 · doi: 10.48550/arxiv.1711.00690 · pith_short_12: I5M5VZEOFUAP · pith_short_16: I5M5VZEOFUAPJJTO · pith_short_8: I5M5VZEO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I5M5VZEOFUAPJJTOA3ATOYX37U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4759dae48e2d00f4a66e06c13762fbfd1e361f8dd77dbfe78fff0a13455a5962
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21fe92d56621016d53e0edbbd664a7b50ff5959a6bc34b29a20e5d8df07e7ecb",
    "cross_cats_sorted": [
      "physics.hist-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-02T11:29:37Z",
    "title_canon_sha256": "bced909776b5334eb2f5a032e6904fb0b3be68a97026271e20831f4539038153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00690",
    "kind": "arxiv",
    "version": 1
  }
}